oj.uz

Submission #979094

# Submission time Handle Problem Language Result Execution time Memory
979094 2024-05-10T08:35:51 Z lftroq Secret (JOI14_secret) C++14
0 / 100
 374 ms 8328 KB 
#include<secret.h>

int pref[1005][1005],n,mask[1005];

void dnc(int l,int r,int level,int a[])
{
    int mid=(l+r)>>1;
    pref[mid][mid]=a[mid];
    pref[mid+1][mid+1]=a[mid+1];
    for(int i=mid+2;i<=r;i++) pref[mid+1][i]=Secret(pref[mid+1][i-1],a[i]);
    for(int i=mid-1;i>=l;i--) pref[mid][i]=Secret(pref[mid][i+1],a[i]);
    for(int i=mid+1;i<=r;i++) mask[i]|=(1<<level);
    if(l<mid) dnc(l,mid,level+1,a);
    if(mid+1<r) dnc(mid+1,r,level+1,a);
}

void Init(int N,int A[])
{
    dnc(0,N-1,0,A);
}

int Query(int L,int R)
{
    int k=__builtin_ctz(mask[L]^mask[R]);
    return Secret(pref[k][L],pref[k][R]);
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 99 ms 7472 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 536870912.
2 Incorrect 98 ms 7920 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 0.
3 Incorrect 99 ms 7468 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 536870912.
4 Incorrect 350 ms 8276 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 536870912.
5 Incorrect 352 ms 8188 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 536870912.
6 Incorrect 374 ms 8252 KB Wrong Answer: Query(915, 915) - expected : 282904741, actual : 536870912.
7 Incorrect 354 ms 8216 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 0.
8 Incorrect 353 ms 8204 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 536870912.
9 Incorrect 357 ms 8328 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 0.
10 Incorrect 358 ms 8212 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 0.